x²+x-2 if x=-2
2x + 3y - 7xy. where x = -3 and y = 2
2x + 3y - 7xy.
(2^-1 /5^-1)^2 *-(5/8)^-1
-[1+2(x-1)^2 ]>-2(x-3)(x+2)
((50*761)+(x*710))/(50+x)=750
1077400
22173498
18035526
2962558
4573926
3451725540944519015741
8807838
7962432
(x+3)/2+(x-1)/4=5
34517255.40944519015741
(x+3)/2+x-1/4=5